KUO WEI HERBERT CHANG

Business address
C/O Monolithic Power Systems Inc., 79 Great Oaks Blvd, San Jose, CA, 95119
Top holdings (ownership)
MPWR
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KUO WEI HERBERT CHANG has filed 246 SEC EDGAR filings since 09 Dec 2002

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 25 Nov 2025 25 Nov 2025 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 24 Nov 2025 21 Nov 2025 000-51026
144 Open Document Open Filing 21 Nov 2025
4 Open Document Open Filing PRIMARY DOCUMENT 13 May 2025 13 May 2025 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 12 May 2025 12 May 2025 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 09 May 2025 08 May 2025 000-51026
144 Open Document Open Filing 08 May 2025
4 Open Document Open Filing PRIMARY DOCUMENT 06 Feb 2025 04 Feb 2025 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 15 Aug 2024 15 Aug 2024 000-51026
144 Open Document Open Filing 15 Aug 2024
4 Open Document Open Filing PRIMARY DOCUMENT 22 May 2024 20 May 2024 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2024 15 May 2024 000-51026
144 Open Document Open Filing 15 May 2024
4 Open Document Open Filing PRIMARY DOCUMENT 29 Feb 2024 29 Feb 2024 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 23 Feb 2024 22 Feb 2024 000-51026
144 Open Document Open Filing 22 Feb 2024
4 Open Document Open Filing PRIMARY DOCUMENT 08 Feb 2024 06 Feb 2024 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 15 Nov 2023 14 Nov 2023 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 13 Nov 2023 13 Nov 2023 000-51026
144 Open Document Open Filing 13 Nov 2023
4 Open Document Open Filing PRIMARY DOCUMENT 29 Aug 2023 29 Aug 2023 000-51026
144 Open Document Open Filing 29 Aug 2023
4 Open Document Open Filing PRIMARY DOCUMENT 08 Feb 2023 07 Feb 2023 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 09 Feb 2022 08 Feb 2022 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 26 Feb 2021 26 Feb 2021 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 04 Feb 2021 02 Feb 2021 000-51026
4 Open Document Open Filing FORM 4 05 Nov 2020 04 Nov 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 01 Sep 2020 28 Aug 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2020 12 Aug 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2020 06 Aug 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 05 Aug 2020 03 Aug 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 12 May 2020 08 May 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2020 05 May 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 14 Feb 2020 12 Feb 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2020 11 Feb 2020 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2019 11 Feb 2019 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 09 Feb 2018 07 Feb 2018 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 08 Feb 2017 07 Feb 2017 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2016 28 Apr 2016 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 10 Feb 2015 09 Feb 2015 000-51026
4/A Open Document Open Filing PRIMARY DOCUMENT 25 Apr 2014 11 Feb 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 27 Feb 2014 26 Feb 2014 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 25 Feb 2014 24 Feb 2014 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 13 Feb 2014 11 Feb 2014 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 29 Nov 2013 27 Nov 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 13 Nov 2013 11 Nov 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 08 Nov 2013 06 Nov 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 28 Aug 2013 28 Aug 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 26 Aug 2013 26 Aug 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 19 Aug 2013 15 Aug 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2013 12 Aug 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 31 May 2013 28 May 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 01 Mar 2013 27 Feb 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 13 Feb 2013 11 Feb 2013 000-51026
4/A Open Document Open Filing PRIMARY DOCUMENT 13 Feb 2013 07 Feb 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 11 Feb 2013 07 Feb 2013 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2012 29 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 29 Aug 2012 27 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 24 Aug 2012 23 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 23 Aug 2012 21 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 17 Aug 2012 16 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 15 Aug 2012 14 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2012 09 Aug 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 29 Feb 2012 29 Feb 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 27 Feb 2012 24 Feb 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 24 Feb 2012 22 Feb 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 17 Feb 2012 17 Feb 2012 000-51026
4 Open Document Open Filing PRIMARY DOCUMENT 16 Feb 2012 14 Feb 2012 000-51026